Tender For Master Sewerage Scheme Faridabad-desilting And Cleaning Of Master Sewer Lines Of Dia. 500mm To 600mm In Greater Faridabad Sector-78 To 89 Along With Operation And Maintenance For 5 Years And All Other Works Contingent Thereto. - Master Sewerage Scheme Faridabad:- Desilting and Cleaning of Master Sewer Lines of dia. 500mm to 600mm in Greater Faridabad sector-78 to 89 along with Operation and maintenance for 5 years and all other works contingent thereto.